523021141 has 8 divisors (see below), whose sum is σ = 527340600. Its totient is φ = 518712768.

The previous prime is 523021139. The next prime is 523021157. The reversal of 523021141 is 141120325.

It can be written as a sum of positive squares in 4 ways, for example, as 5640625 + 517380516 = 2375^2 + 22746^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523021141 - 2¹ = 523021139 is a prime.

It is a super-2 number, since 2×523021141² = 547102227865883762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523021241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110475 + ... + 115111.

It is an arithmetic number, because the mean of its divisors is an integer number (65917575).

Almost surely, 2^523021141 is an apocalyptic number.

It is an amenable number.

523021141 is a deficient number, since it is larger than the sum of its proper divisors (4319459).

523021141 is a wasteful number, since it uses less digits than its factorization.

523021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 523021141 is about 22869.6554630803. The cubic root of 523021141 is about 805.6994761407.

Adding to 523021141 its reverse (141120325), we get a palindrome (664141466).

The spelling of 523021141 in words is "five hundred twenty-three million, twenty-one thousand, one hundred forty-one".